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Interference band pass filters are relatively inexpensive wavelength selectors that allow transmission of a predetermined wavelength while rejecting or blocking other wavelengths. Interference filters are widely used in instrumentation for clinical chemistry, environmental testing, colorimetry, elemental a more...
Narrow band filters are fabricated by using advanced deposition process technology-Ion Assisted Deposition (IAD). This process produces highly dense, environmentally stable and durable thin films, which prevent drift of filter's peak wavelength with age. To improve the pass band energy and increase the attenu more...